完成句子。

1. 为了欣赏风景，她宁愿花时间做火车也不愿乘飞机。 

    In order to enjoy the beautiful sights, she _______ _______ spend long hours on the train _______ travel

    by air.

2. 正是他的乐观和决心使得他受到其他人的喜爱。

    _______ _______ his optimism and determination _______ made him loved by others.

3. 周六早上我很偶然的在街上碰到了我很久未见面的老师。

    I _______ ________ my teacher who I hadn't seen for a long time _______ ______ Saturday morning.

4. The president _______ _______ hard _______ (过着艰难的生活) in his childhood , so he did a lot for the

    poor.

5. She tried to _______ her mind _______ her work (把思想集中在工作上) but she was always concerned

    about her six-year-old son at home alone.